Field Operations Guide - Kentucky Transportation Cabinet

SHOULDERS (B000)Bituminous Patching (B010)FUNCTIONFE01FOG-401RECOMMENDEDPROCEDURE1. Place traffic-control devices as necessary.2. Clean out and square up potholes, using hand tools.3. Apply liquid asphalt materials as needed.4. Apply tack coat to total area repaired. Be sure to apply tack to totalarea of pothole.5. Shovel materials into potholes in layers not exceeding two inches indepth. Hand-tamp each layer before placing the next layer.6. Flush final layer with shoulder surface after compaction.7. Remove traffic-control devices.Note: Perform patching operations only when the shoulder surface is dryand potholes are not ponding water.Special Note: Determine accomplishment before leaving job site.The sketch above is an example of “squaring” a patch. Note thatsquaring does not necessarily mean “having four equal sides.” It doesmean “eliminating all rounded points of contact between old materialand new material.”10/11 Page 2 of 2